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Pachacha [2.7K]
2 years ago
14

Katie stop erasing my questions im just trying to help idxiot

Mathematics
1 answer:
Anna007 [38]2 years ago
8 0

Answer:

HEY

Step-by-step explanation:

i think so u also dont know the que

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A ladder is leaning against a wall. The top of the ladder is 9 feet above the ground. If the bottom of the ladder is moved 3 ft
Alenkinab [10]
Let L represent the ladder length, and x the distance the horiz. ladder reaches out from the wall.  Then L = x + 3, where x is the distance of the bottom of the ladder from the wall when the top of the ladder is 9 ft. above the ground.

Consider the triangle formed by the hypotenuse (L, same as ladder length), the (vertical) side opposite the angle formed by the hypo. (with length 9 ft) and the horiz side (which we will call x).  Then, according to the Pythagorean Theorem,
L^2 = x^2 + 9^2.    But L = x + 3, and L^2 = x^2 + 6x + 9 = x^2 + 9^2.  Solving this equation results in x=3.                                    6x + 9 =          9^2, or
                                                                                6x + 9 =  81
                                                                                 6x       = 72
                                                                                   x = 12
 
 But L = x+3.  So L=12+3, or   L = 15 (feet).
        
4 0
3 years ago
Find the product of the following expression.<br> 4(3x2 - 4x + 5)
Papessa [141]

Answer:

-16x + 44

Solution:

4(3×2 - 4x + 5)

= 4( 6 - 4x + 5)

=4( -4x + 11)

= -16x + 44

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2 years ago
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8 0
3 years ago
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The graph of y = |x| is shifted up by 4 units and to the right by 5 units.
belka [17]

Answer:

Step-by-step explanation:

The equation of the new graph is y =|x - 5| + 4|

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Subtract 70 minus 2 hope this helps even though it might be wrong
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2 years ago
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